Arch Linux ASA-202101-3 High: Poppler Code Execution Risk

Arch Linux Security Advisory ASA-202101-3
========================================
Severity: High
Date    : 2021-01-04
CVE-ID  : CVE-2020-35702
Package : poppler
Type    : arbitrary code execution
Remote  : No
Link    : https://security.archlinux.org/AVG-1382

Summary
======
The package poppler before version 21.01.0-1 is vulnerable to arbitrary
code execution.

Resolution
=========
Upgrade to 21.01.0-1.

# pacman -Syu "poppler>=21.01.0-1"

The problem has been fixed upstream in version 21.01.0.

Workaround
=========
None.

Description
==========
DCTStream::getChars in DCTStream.cc in Poppler 20.12.1 has a heap-based
buffer overflow via a crafted PDF document.

Impact
=====
An attacker might be able to execute arbitrary code via a crafted PDF
document.

References
=========
https://gitlab.freedesktop.org/poppler/poppler/-/issues/1011
https://gitlab.freedesktop.org/poppler/poppler/uploads/8455cee26a313a3a0174a01e4ec80e33/poc
https://gitlab.freedesktop.org/poppler/poppler/-/commit/ae614bf8ab42c9d0c7ac57ecdfdcbcfc4ff6c639
https://security.archlinux.org/CVE-2020-35702